common

Documentation

Index

• Constants
• func BoolToFloat(value bool) float64
• func Contains(stringList []string, elem string) bool
• func DeleteKeysWithPrefix(keyPrefix string, db badgerwrap.DB, deletionBatchSize int, ...) (error, uint64, uint64)
• func GetFilePath(filePath string, fileName string) string
• func GetKeysForPrefix(db badgerwrap.DB, keyPrefix string) []string
• func GetPartitionsInfo(db badgerwrap.DB) (map[string]*PartitionInfo, uint64)
• func GetSortedPartitionIDs(partitionsInfoMap map[string]*PartitionInfo) []string
• func GetTotalKeyCount(db badgerwrap.DB, keyPrefix string) uint64
• func Max(x int, y int) int
• func ParseKey(key string) (error, []string)
• func PrintKeyHistogram(db badgerwrap.DB)
• func Truncate(text string, width int, delimiter ...string) (string, error)
• type PartitionInfo
• type SloopKey
  • func GetSloopKey(item badgerwrap.Item) (SloopKey, error)

Constants

const (
	GlogVerbose = 10
)

Functions

func BoolToFloat

func BoolToFloat(value bool) float64

func Contains

func Contains(stringList []string, elem string) bool

func DeleteKeysWithPrefix

func DeleteKeysWithPrefix(keyPrefix string, db badgerwrap.DB, deletionBatchSize int, numOfKeysToDelete uint64) (error, uint64, uint64)

deletes the keys with a given prefix

func GetFilePath

func GetFilePath(filePath string, fileName string) string

func GetKeysForPrefix

func GetKeysForPrefix(db badgerwrap.DB, keyPrefix string) []string

Return all keys within a partition with the given keyPrefix

func GetPartitionsInfo

func GetPartitionsInfo(db badgerwrap.DB) (map[string]*PartitionInfo, uint64)

Gets the Information for partitions to key Count Map Returns Partitions to KeyCount Map, Partitions TableName to Key Count and total key count

func GetSortedPartitionIDs

func GetSortedPartitionIDs(partitionsInfoMap map[string]*PartitionInfo) []string

Returns the sorted list of partitionIDs from the given partitions Info map

func GetTotalKeyCount

func GetTotalKeyCount(db badgerwrap.DB, keyPrefix string) uint64

returns the number of keys in DB with given prefix. If prefix is not provided it gives count of all keys

func Max

func Max(x int, y int) int

func ParseKey

func ParseKey(key string) (error, []string)

func PrintKeyHistogram

func PrintKeyHistogram(db badgerwrap.DB)

prints all the keys histogram. It can help debugging when needed.

func Truncate

func Truncate(text string, width int, delimiter ...string) (string, error)

Types

type PartitionInfo

type PartitionInfo struct {
	TotalKeyCount          uint64
	TableNameToKeyCountMap map[string]uint64
}

type SloopKey

type SloopKey struct {
	TableName   string
	PartitionID string
}

func GetSloopKey

func GetSloopKey(item badgerwrap.Item) (SloopKey, error)

returns TableName, PartitionId, error.